CA2855784C - An optical isolator - Google Patents

An optical isolator Download PDF

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Publication number
CA2855784C
CA2855784C CA2855784A CA2855784A CA2855784C CA 2855784 C CA2855784 C CA 2855784C CA 2855784 A CA2855784 A CA 2855784A CA 2855784 A CA2855784 A CA 2855784A CA 2855784 C CA2855784 C CA 2855784C
Authority
CA
Canada
Prior art keywords
faraday rotator
optical isolator
magnet
oxide
isolator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CA2855784A
Other languages
English (en)
French (fr)
Other versions
CA2855784A1 (en
Inventor
Yahagi Akira
Watanabe Toshiaki
Makikawa Shinji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Publication of CA2855784A1 publication Critical patent/CA2855784A1/en
Application granted granted Critical
Publication of CA2855784C publication Critical patent/CA2855784C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • G02F1/093—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect used as non-reciprocal devices, e.g. optical isolators, circulators
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
    • C04B35/505—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds based on yttrium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/0009—Materials therefor
    • G02F1/0036—Magneto-optical materials
CA2855784A 2013-07-12 2014-07-04 An optical isolator Active CA2855784C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013146110A JP6052800B2 (ja) 2013-07-12 2013-07-12 光アイソレータ
JP2013-146110 2013-07-12

Publications (2)

Publication Number Publication Date
CA2855784A1 CA2855784A1 (en) 2015-01-12
CA2855784C true CA2855784C (en) 2017-12-12

Family

ID=50933026

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2855784A Active CA2855784C (en) 2013-07-12 2014-07-04 An optical isolator

Country Status (6)

Country Link
US (1) US9429778B2 (ja)
EP (1) EP2824505B1 (ja)
JP (1) JP6052800B2 (ja)
CN (1) CN104280901B (ja)
CA (1) CA2855784C (ja)
DK (1) DK2824505T3 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015125375A (ja) * 2013-12-27 2015-07-06 信越化学工業株式会社 光アイソレータ
CA2979022C (en) * 2015-03-11 2023-10-03 Shin-Etsu Chemical Co., Ltd. Magneto-optical material, method for producing same and magneto-optical device
JP7135920B2 (ja) * 2018-03-09 2022-09-13 信越化学工業株式会社 透明複合酸化物焼結体の製造方法、透明複合酸化物焼結体並びに磁気光学デバイス
JP7208098B2 (ja) * 2019-04-25 2023-01-18 京セラ株式会社 光アイソレータ及び光源装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484152A (en) * 1965-10-04 1969-12-16 American Optical Corp Faraday rotators utilizing alumina-silicate glasses containing rare earth metal oxides
US3602575A (en) * 1969-07-02 1971-08-31 American Optical Corp Multiple wavelength optical isolator
JP3198391B2 (ja) * 1992-04-08 2001-08-13 株式会社トーキン 光アイソレータ
DE102006027957A1 (de) * 2006-06-14 2007-12-20 Schott Ag Optische Elemente sowie Abbildungsoptiken
JP5239431B2 (ja) * 2008-03-24 2013-07-17 住友金属鉱山株式会社 ファラデー回転子
JP5393271B2 (ja) * 2009-06-09 2014-01-22 信越化学工業株式会社 酸化物及び磁気光学デバイス
JP5337011B2 (ja) * 2009-12-14 2013-11-06 株式会社オキサイド 磁気光学素子用酸化テルビウム結晶
JP5528827B2 (ja) 2010-01-25 2014-06-25 信越化学工業株式会社 光アイソレータ
CN101900892A (zh) * 2010-06-23 2010-12-01 福建福晶科技股份有限公司 一种波长可调的光隔离器
JP5276640B2 (ja) * 2010-10-06 2013-08-28 信越化学工業株式会社 １μｍ帯光アイソレータ
CN103502180A (zh) * 2011-03-16 2014-01-08 信越化学工业株式会社 透明陶瓷和其制造方法以及磁光器件
DK2500763T3 (en) * 2011-03-16 2015-09-07 Shinetsu Chemical Co A process for producing a Faraday rotator
JP5907538B2 (ja) * 2011-03-28 2016-04-27 国立研究開発法人物質・材料研究機構 光加工器
JP5522866B2 (ja) * 2013-02-05 2014-06-18 株式会社オキサイド 磁気光学素子用透光性酸化テルビウム焼結体
JP5831492B2 (ja) 2013-04-26 2015-12-09 カシオ計算機株式会社 撮像装置、表示制御方法及びプログラム

Also Published As

Publication number Publication date
CN104280901A (zh) 2015-01-14
DK2824505T3 (da) 2020-09-07
US20150015947A1 (en) 2015-01-15
CA2855784A1 (en) 2015-01-12
JP6052800B2 (ja) 2016-12-27
US9429778B2 (en) 2016-08-30
CN104280901B (zh) 2017-03-22
JP2015018145A (ja) 2015-01-29
EP2824505A1 (en) 2015-01-14
EP2824505B1 (en) 2020-07-22

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Effective date: 20160518